Beguiled by a fancy new chip that is only available in a QFP or QFN pinout? This breakout PCB set will make your life much much easier and get you prototyping faster than ever. One side has a 44-QFP pin out with traces going to two rows of 0.1 spaced holes, the other has 44-QFN. Solder your chip to either side and you39re ready to rock on any solderless breadboard. Each item comes with three PCBs, each PCB is identical and can support either a 10mm square QFP or 7mm square QFN chip. Standard thickness PCBs, with 0.7 spacing between the two rows.